We power people’s progress. At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.

We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. Today, 100,000+ tutors teach 90+ languages to learners in 180 countries - and we’re only getting started. As a category-defining company, we’re shaping what the future of learning looks like at global scale.

Every Preply lesson sparks change, fuels ambition, and drives progress that matters. Joining Preply means helping define the future of education at global scale, and building something that truly matters for millions of people, every day.

Meet the team At Preply, we're growing a talented Data Team to empower top-notch decision-making across our organization. Our team collaborates closely with various other chapters - including product, business, and platform - leveraging analysis, experimentation, causal inference, and machine learning.

You’ll be embedded in cross-functional teams, partnering with our MarTech Product Manager, Marketeers, Tech Leads, and the Data Strategy team. Check out our Tech Radar to see the tools and technologies we love using at Preply!

What you’ll be doing:

• Support the design and analysis of A/B tests across Organic and Paid Marketing.
• Calculate MDEs, power analyses, and interpret experiment results.
• Help automate statistical frameworks for CRM experimentation.
• Pull and reconcile data from marketing networks (Meta, TikTok, Google, etc.).
• Compare external network reporting with internal performance data.
• Investigate discrepancies in tracking, attribution, and conversion reporting.

What you need to succeed:

• Strong quantitative background (STEM degree in Mathematics, Statistics, Physics, Engineering, Computer Science, or similar).
• Solid SQL skills; Python is a plus.
• Good understanding of statistics (hypothesis testing, confidence intervals, power analysis, MDE).
• Curiosity about marketing and growth.
• Comfort working with messy, real-world data.
• Structured problem-solving mindset and attention to detail.
• Strong written and verbal communication skills in English.

Nice to have:

• Exposure to performance marketing or digital business environments.
• Experience with BI tools (Looker).
• Familiarity with attribution platforms (e.g., Adjust).
• Basic understanding of experimentation and causal inference concepts

Why you’ll love it at Preply

• An open, collaborative, dynamic and diverse culture;
• A generous monthly allowance for lessons on Preply.com, Learning & Development budget and time off for your self-development;
• A competitive financial package with equity, leave allowance and health insurance;
• Not in Barcelona? We offer an attractive relocation package to join us in our Preply Barcelona Hub
• Access to free mental health support platforms;
• Access to Gympass-partnered wellness and gym centers throughout Spain to promote and support well-being and physical health;
• The opportunity to unlock the potential of learners and tutors through language learning and teaching in 175 countries (and counting!).

Our Principles

Diversity, Equity, and Inclusion Preply.com is committed to creating an inclusive environment where people of diverse backgrounds can thrive. We believe that the presence of different opinions and viewpoints is a key ingredient for our success as a multicultural Ed-Tech company. That means that Preply will consider all applications for employment without regard to race, color, religion, gender identity or expression, sexual orientation, national origin, disability, age or veteran status.